<template>
    <div class="app-container">
  
      <!-- 工具条 -->
      <el-card class="operate-container" shadow="never">
        <i class="el-icon-tickets" style="margin-top: 5px"></i>
        <span style="margin-top: 5px">数据列表</span>
        <el-button class="btn-add" size="mini" @click="add()">添加</el-button>
      </el-card>
  
      <!-- banner列表 -->
      <el-table
        v-loading="listLoading"
        :data="list"
        element-loading-text="数据正在加载......"
        border
        fit
        highlight-current-row>
  
        <el-table-column
          label="序号"
          width="70"
          align="center">
          <template slot-scope="scope">
            {{ (page - 1) * limit + scope.$index + 1 }}
          </template>
        </el-table-column>
  
        <el-table-column prop="couponName" label="购物券名称" />
        <el-table-column prop="couponType" label="购物券类型">
          <template slot-scope="scope">
            {{ scope.row.couponType == 'REGISTER' ? '注册卷' : '推荐赠送卷' }}
          </template>
        </el-table-column>
        <el-table-column label="规则">
          <template slot-scope="scope">
            {{ '现金卷：' + scope.row.amount + '元' }}
          </template>
        </el-table-column>
        <el-table-column label="使用范围 ">
            所有商品
        </el-table-column>
        <el-table-column prop="publishCount" label="发行数量" />
        <el-table-column prop="expireTime" label="过期时间" />
        <el-table-column prop="createTime" label="创建时间" />
        <el-table-column label="操作" width="150" align="center">
          <template slot-scope="scope">
            <router-link :to="'/activity/couponInfo/edit/'+scope.row.id">
              <el-button size="mini" type="text" >修改</el-button>
            </router-link>
            <el-button size="mini" type="text" @click="removeDataById(scope.row.id)">删除</el-button>
            <router-link :to="'/activity/couponInfo/show/'+scope.row.id">
              <el-button size="mini" type="text" >详情</el-button>
            </router-link>
          </template>
        </el-table-column>
      </el-table>
  
      <!-- 分页组件 -->
      <el-pagination
        :current-page="page"
        :total="total"
        :page-size="limit"
        :page-sizes="[5, 10, 20, 30, 40, 50, 100]"
        style="padding: 30px 0; text-align: center;"
        layout="sizes, prev, pager, next, jumper, ->, total, slot"
        @current-change="fetchData"
        @size-change="changeSize"
      />
    </div>
  </template>
  
  <script>
  import api from '@/api/activity/couponInfo'
  
  export default {
    data() {
      return {
        listLoading: true, // 数据是否正在加载
        list: null, // banner列表
        total: 0, // 数据库中的总记录数
        page: 1, // 默认页码
        limit: 10, // 每页记录数
        searchObj: {}, // 查询表单对象
        multipleSelection: [] // 批量选择中选择的记录列表
      }
    },
  
    // 生命周期函数：内存准备完毕，页面尚未渲染
    created() {
      console.log('list created......')
      this.fetchData()
    },
  
    // 生命周期函数：内存准备完毕，页面渲染成功
    mounted() {
      console.log('list mounted......')
    },
  
    methods: {
  
      // 当页码发生改变的时候
      changeSize(size) {
        console.log(size)
        this.limit = size
        this.fetchData(1)
      },
  
      add(){
        this.$router.push({ path: '/activity/couponInfo/add' })
      },
  
      // 加载banner列表数据
      fetchData(page = 1) {
        console.log('翻页。。。' + page)
        // 异步获取远程数据（ajax）
        this.page = page
  
        api.getPageList(this.page, this.limit, this.searchObj).then(
          response => {
            this.list = response.data.records
            this.total = response.data.total
  
            // 数据加载并绑定成功
            this.listLoading = false
          }
        )
      },
  
      // 重置查询表单
      resetData() {
        console.log('重置查询表单')
        this.searchObj = {}
        this.fetchData()
      },
  
      // 根据id删除数据
      removeDataById(id) {
        // debugger
        this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => { // promise
          // 点击确定，远程调用ajax
          return api.removeById(id)
        }).then((response) => {
          this.fetchData(this.page)
          if (response.code) {
            this.$message({
              type: 'success',
              message: '删除成功!'
            })
          }
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
      }
    }
  }
  </script>